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RIOT/sys/posix/pthread/pthread_once.c
2014-02-19 23:39:38 +01:00

31 lines
704 B
C

/**
* POSIX implementation of threading.
*
* Copyright (C) 2013 Freie Universität Berlin
*
* This file subject to the terms and conditions of the GNU Lesser General
* Public License. See the file LICENSE in the top level directory for more
* details.
*
* @ingroup posix
* @{
* @file pthread.c
* @brief Implementation of pthread.
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
* @author René Kijewski <kijewski@inf.fu-berlin.de>
* @}
*/
#include "pthread.h"
int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
{
if (*once_control == PTHREAD_ONCE_INIT) {
init_routine();
}
*once_control = PTHREAD_ONCE_INIT + 1;
return 0;
}